ACCESSION: PR100166
RECORD_TITLE: L-Homocystine; LC-ESI-QTOF; MS2; CE:Ramp 5-60 V; [M+H]+
DATE: 2011.05.06 (Created 2009.09.10)
AUTHORS: Matsuda F, Suzuki M, Sawada Y, Plant Science Center, RIKEN.
LICENSE: CC BY-SA
COMMENT: Acquisition and generation of the data is financially supported in part by CREST/JST.
CH$NAME: L-Homocystine
CH$NAME: Hcy2
CH$NAME: L-4,4'-Dithiobis(2-aminobutanoic acid)
CH$COMPOUND_CLASS: Amino acids
CH$FORMULA: C8H16N2O4S2
CH$EXACT_MASS: 268.05515
CH$SMILES: OC(=O)C(N)CCSSCCC(N)C(O)=O
CH$IUPAC: InChI=1S/C8H16N2O4S2/c9-5(7(11)12)1-3-15-16-4-2-6(10)8(13)14/h5-6H,1-4,9-10H2,(H,11,12)(H,13,14)/t5-,6-/m0/s1
CH$LINK: CAS 626-72-2
CH$LINK: CHEMSPIDER 388664
CH$LINK: KEGG C01817
CH$LINK: PUBCHEM CID:439579
AC$INSTRUMENT: UPLC Q-Tof Premier, Waters
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY Ramp 5-60 V
AC$MASS_SPECTROMETRY: DATAFORMAT Continuum
AC$MASS_SPECTROMETRY: DATE 2008.07.25
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 600.0 L/Hr
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 420 C
AC$MASS_SPECTROMETRY: FRAGMENTATION_METHOD LOW-ENERGY CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: SCANNING 1.0 sec/scan (m/z = 50-1000)
AC$MASS_SPECTROMETRY: SOURCE_TEMPERATURE 120 C
AC$CHROMATOGRAPHY: CAPILLARY_VOLTAGE 3.0 kV
AC$CHROMATOGRAPHY: SAMPLING_CONE 23.0 V
AC$CHROMATOGRAPHY: SOLVENT CH3CN(0.1%HCOOH) / H2O(0.1%HCOOH)
MS$FOCUSED_ION: PRECURSOR_M/Z 269.06295
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  88.0241 87.71 999
  90.0398 48.55 553
  98.9878 13.74 156
  100.9933 2.006 23
  118.0351 9.837 112
  134.0311 52.82 602
  136.0471 68.88 785
  210.9685 2.346 27
  269.0630 3.134 36
